linux-hardened/include/linux/if_shaper.h
Christoph Hellwig bc971dee6e [SHAPER]: Switch to spinlocks.
Dave, you were right and the sleeping locks in shaper were
broken. Markus Kanet noticed this and also tested the patch below that
switches locking to spinlocks.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-05 15:03:46 -07:00

63 lines
1.5 KiB
C

#ifndef __LINUX_SHAPER_H
#define __LINUX_SHAPER_H
#ifdef __KERNEL__
#define SHAPER_QLEN 10
/*
* This is a bit speed dependent (read it shouldn't be a constant!)
*
* 5 is about right for 28.8 upwards. Below that double for every
* halving of speed or so. - ie about 20 for 9600 baud.
*/
#define SHAPER_LATENCY (5*HZ)
#define SHAPER_MAXSLIP 2
#define SHAPER_BURST (HZ/50) /* Good for >128K then */
struct shaper
{
struct sk_buff_head sendq;
__u32 bytespertick;
__u32 bitspersec;
__u32 shapelatency;
__u32 shapeclock;
unsigned long recovery; /* Time we can next clock a packet out on
an empty queue */
spinlock_t lock;
struct net_device_stats stats;
struct net_device *dev;
int (*hard_start_xmit) (struct sk_buff *skb,
struct net_device *dev);
int (*hard_header) (struct sk_buff *skb,
struct net_device *dev,
unsigned short type,
void *daddr,
void *saddr,
unsigned len);
int (*rebuild_header)(struct sk_buff *skb);
int (*hard_header_cache)(struct neighbour *neigh, struct hh_cache *hh);
void (*header_cache_update)(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr);
struct net_device_stats* (*get_stats)(struct net_device *dev);
struct timer_list timer;
};
#endif
#define SHAPER_SET_DEV 0x0001
#define SHAPER_SET_SPEED 0x0002
#define SHAPER_GET_DEV 0x0003
#define SHAPER_GET_SPEED 0x0004
struct shaperconf
{
__u16 ss_cmd;
union
{
char ssu_name[14];
__u32 ssu_speed;
} ss_u;
#define ss_speed ss_u.ssu_speed
#define ss_name ss_u.ssu_name
};
#endif